Meshingtester
囓合检查仪
🗣️ 情景例句
at the end of the semester.
就在这个学期结束的时候。
Would you be so kind as to open this window for me? It's stuck.
你能为我打开这扇窗户吗？ 它粘住了。
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？